CN208886106U - Air door executer executing agency based on harmonic gear transmission - Google Patents
Air door executer executing agency based on harmonic gear transmission Download PDFInfo
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- CN208886106U CN208886106U CN201821478430.4U CN201821478430U CN208886106U CN 208886106 U CN208886106 U CN 208886106U CN 201821478430 U CN201821478430 U CN 201821478430U CN 208886106 U CN208886106 U CN 208886106U
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- gear
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- firm
- bevel gear
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Abstract
The utility model relates to a kind of air door executer executing agency based on harmonic gear transmission, including casing, input shaft, wave producer, first order flexbile gear, second level flexbile gear, fixed firm gear, export firm gear, input bevel gear and output bevel gear wheel, casing front center horizontal cross is equipped with an input shaft, the front end of input shaft, which is stretched out outside casing, to be used to connect driving device, wave producer is installed on output shaft in casing, the outer axially spaced-apart of wave producer is equipped with first order flexbile gear and second level flexbile gear, engage fixed firm gear in first order flexbile gear periphery, the fixation firm gear is coaxially packed in casing；Casing rear end is coaxially extended in the input terminal of second level flexbile gear periphery engagement output firm gear, the rear end for exporting firm gear, is coaxially formed with an input bevel gear in output firm gear rear end；The orthogonal engagement of input bevel gear is equipped with an output bevel gear wheel.That the utility model has the advantages of simple structure is compact, number of parts is few, stable drive and reliable for operation, and it is light to save material, total quality.
Description
Technical field
The utility model belongs to field of mechanical technique, be related to transmission mechanism, specifically a kind of based on harmonic gear transmission
Air door executer executing agency.
Background technique
Air door executer is that one kind is widely used in air-conditioning system automatic control, can adjust air duct valve by a certain percentage
Aperture realizes temperature controlled automation equipment.It is amplified by multi-stage gear, is converted electrical energy into electrical energy drive motor
For mechanical energy, a few N m can be exported to tens N m torques and carry out controlling opening of valve.Floating type and adjusting are generally divided into control
Type, wherein floating type is the switch valve with feedback, by the positive and negative rotation of control motor come control valve aperture, to reach adjusting mesh
, and adjustment type can realize that accurately valve opening is controlled by small signal (0-10v voltage or 4 one 20mA electric currents).
Harmonic gear transmission technology is later period nineteen fifties, a kind of biography generated with the development of space technology
Dynamic technology.The technology is a kind of Novel transmission technology to grow up in the theoretical basis of shell flexible deformation, it is breached
Machine driving uses the mode of rigid member mechanism, has used a flexible member to realize machine driving, to obtain one
Other unapproachable specific function movements of transmission institute of series.Therefore, harmonic gear transmission causes the concern of scholars, and
A large amount of correlative study has been carried out, a series of research achievement is achieved.
In the case where identical output torque, volume is the most important examination factor of fan valve executor, and present air-valve is held
Row device mostly uses spur gear transmission, and harmonic gear transmission is compared with general gear drive, have kinematic accuracy it is high,
The advantages that return difference is small, transmission ratio is big, small in size, light-weight, large carrying capacity, therefore the air-valve based on harmonic gear transmission executes
Device has far-reaching research significance and wide development space.
Following related patents are found through retrieval:
A kind of air door actuator of automobile air-conditioner-utility model (CN201620779107) comprising pedestal and upper cover, pedestal
Interior to be equipped with motor, Transmission gears and execute gear, motor drives output gear to operate by Transmission gears, wherein described
Air conditioner damper actuator there is the first execution gear and diameter to be different from the second of the first execution gear execute gear, and described the
One execution gear engages connection with Transmission gears, and the second execution gear engages connection with the first execution gear, and described first holds
The gear shaft of row gear and the second execution gear axially extends the first execution line shaft and second to outside actuator shell respectively
Execute line shaft.It is different from the slewing rate of the second execution line shaft by the execution gear of two different-diameters of setting
First executes the slewing rate and torque of line shaft, to realize that synchronous is to hold respectively with the first execution line shaft and second
The air door shaft of action edge axis connection provides different output states.
By comparing, there are relatively big differences with present patent application for technology disclosed in above-mentioned patent document.
Utility model content
It is a kind of based on harmonic gear transmission the purpose of the utility model is to overcome providing in place of the deficiencies in the prior art
Air door executer executing agency, the mechanism have the characteristics that kinematic accuracy is high, return difference is small, transmission ratio is big, small in size, light-weight.
The utility model solves its technical problem and adopts the following technical solutions to achieve:
A kind of air door executer executing agency based on harmonic gear transmission, it is characterised in that: including casing, input shaft,
Wave producer, first order flexbile gear, second level flexbile gear, fixed firm gear, output firm gear, input bevel gear and output bevel gear wheel, machine
Shell front center horizontal cross is equipped with an input shaft, and the front end of input shaft, which is stretched out outside casing, to be used to connect driving device, in machine
Wave producer is installed, wave producer peripheral, axial interval is equipped with first order flexbile gear and the second level is soft on the output shaft in shell
Fixed firm gear is engaged in wheel, first order flexbile gear periphery, which is coaxially packed in casing；The engagement of second level flexbile gear periphery is defeated
Casing rear end is coaxially extended in the input terminal of firm gear out, the rear end for exporting firm gear, and the output firm gear rear end outside casing is coaxially made
There is an input bevel gear；The orthogonal engagement of input bevel gear is equipped with an output bevel gear wheel.
Moreover, the casing includes base, drive end bearing bracket, rear end cap and upper end cover, base upper-end front is formed with a horizontal axis
Body structure is fixed with drive end bearing bracket and rear end cap in the horizontal axis body structure transverse ends respectively, and cabinet upper rear is formed with
One vertical shaft body structure, the vertical shaft body structure upper end are equipped with a upper end cover.
Moreover, the wave producer includes first order cam, second level cam and flexible bearing, the axial direction on input shaft
Interval is equipped with first order cam and second level cam, is mounted in the periphery of first order cam and second level cam soft
Property bearing.
Moreover, the output bevel gear wheel is coaxially made into integration with output bevel gear wheel support shaft, output bevel gear wheel support shaft is perpendicular
It is directly mounted in the vertical shaft body structure at base rear portion, interval is equipped with two above and below between output bevel gear wheel support shaft and base
A bearing is equipped with cushion block between two bearings, is equipped on one on the base of the output bevel gear wheel periphery above bearing
End cap.
Moreover, the front center of the output firm gear is formed with axis hole, after supporting output shaft by coaxial bearing in axis hole
End；It exports firm gear and input shaft coaxial spaced is arranged, coaxial sleeve is equipped with one between the rear end of input shaft and the axis hole for exporting firm gear
Bearing is equipped with a limited block between the bearing and the axial end face for exporting firm gear.
The advantages and positive effects of the utility model are as follows:
1, mechanism is by the combination of harmonic gear transmission and Bevel Gear Transmission, provide realize compared with large transmission ratio can
Energy.
2, it is multi-tooth meshing that the two-stage flexbile gear of mechanism is engaged with firm gear, has the characteristics that stable drive, is conducive to mention
High Transmission bearing.
3, that the utility model has the advantages of simple structure is compact, number of parts is few, stable drive and reliable for operation, overall volume is small,
Light weight.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the utility model；
Fig. 2 is the utility model left view (removal drive end bearing bracket).
Figure label explanation: 1 input shaft, 2 first order keys, 3 first order cams, 4 first order flexbile gears, 5 fixed firm gears, 6 is defeated
Firm gear out, 7 second level flexbile gears, 8 flexible bearings, 9 second level cams, 10 second level keys, 11 rear end caps, 12 input bevel gears, 13
Output bevel gear wheel, 14 upper end covers, 15 bearings, 16 cushion blocks, 17 locating pieces, 18 limited blocks, 19 bases, 20 drive end bearing brackets.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by specific embodiment, and following embodiment is only retouched
The property stated, it is not restrictive, protection scope of this utility model cannot be limited by this.
A kind of air door executer executing agency based on harmonic gear transmission, including casing, input shaft 1, wave producer,
Level-one flexbile gear 4, second level flexbile gear 7, fixed firm gear 5, output firm gear 6, input bevel gear 12 and output bevel gear wheel 13,
For the ease of clearly illustrating that the present embodiment is described with direction shown in attached drawing 1, it is rear end that left side, which is on the right side of front end,.
Casing includes base 19, drive end bearing bracket 20, rear end cap 11 and upper end cover 14, and base upper-end front is formed with a horizontal axis case
Body structure is fixed with drive end bearing bracket and rear end cap in the horizontal axis body structure transverse ends respectively, and cabinet upper rear is formed with one
Vertical shaft body structure, the vertical shaft body structure upper end are equipped with a upper end cover.
Casing front center horizontal cross is equipped with an input shaft 1, and the front end of input shaft, which is stretched out outside casing, is used to connect drive
Device is moved, wave producer is installed on the output shaft in casing, wave producer peripheral, axial interval is equipped with first order flexbile gear 4
And fixed firm gear 5 is engaged in second level flexbile gear 7, first order flexbile gear periphery, which is coaxially packed in casing；The second level
Casing rear end is coaxially extended in the input terminal of flexbile gear periphery engagement output firm gear 6, the rear end for exporting firm gear, the output outside casing
Firm gear rear end is coaxially formed with an input bevel gear 12；
Wave producer includes first order cam 3, first order key 2, second level cam 9, second level key 10 and flexible bearing
8, axially spaced-apart is equipped with first order cam and second level cam on input shaft, and first order cam is fixedly mounted with by first order key
On input shaft, second level cam is packed on input shaft by second level key, in first order cam and second level cam
Periphery is mounted on flexible bearing.First order cam periphery passes through the corresponding installation first order flexbile gear of flexible bearing, second level cam
Periphery passes through the corresponding installation second level flexbile gear of flexible bearing.
In order to guarantee to export the concentricity of firm gear, the bearing there are two axially spaced-apart installations between output firm gear and casing,
And limit installation has locating piece 17 between two bearings, locating piece is fixed in casing to effectively limit.
Orthogonal engagement is equipped with an output bevel gear wheel 13 below input bevel gear, and output bevel gear wheel and output bevel gear wheel support
Axis is coaxially made into integration, and output bevel gear wheel support shaft is vertically installed in the vertical shaft body structure at base rear portion, output bevel gear wheel
Bearing 15 there are two installing is spaced between support shaft and base above and below, cushion block 16 is installed between two bearings, on bearing
One upper end cover 14 is installed on the base of the output bevel gear wheel periphery of side, limits the position of fixing bearing and cushion block.Mechanism
It is driven and is exported by output bevel gear wheel, realize input transmission orthogonal with the large transmission ratio of output.
The front center of the output firm gear is formed with axis hole, supports the rear end of output shaft in axis hole by coaxial bearing；It is defeated
Firm gear and input shaft coaxial spaced are arranged out, and coaxial sleeve is equipped with a bearing between the rear end of input shaft and the axis hole for exporting firm gear,
The axial dimension of one limited block, 18 fitted bearing is installed between the bearing and the axial end face for exporting firm gear, guarantees locations of structures
Accurately.
Although disclosing the embodiments of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be with
Understand: departing from the utility model and spirit and scope of the appended claims, various substitutions, changes and modifications are all can
Can, therefore, the scope of the utility model is not limited to the embodiment and attached drawing disclosure of that.
Claims (5)
1. a kind of air door executer executing agency based on harmonic gear transmission, it is characterised in that: including casing, input shaft, wave
Generator, first order flexbile gear, second level flexbile gear, fixed firm gear, output firm gear, input bevel gear and output bevel gear wheel, casing
Front center horizontal cross is equipped with an input shaft, and the front end of input shaft, which is stretched out outside casing, to be used to connect driving device, in casing
Wave producer is installed, wave producer peripheral, axial interval is equipped with first order flexbile gear and the second level is soft on interior output shaft
Fixed firm gear is engaged in wheel, first order flexbile gear periphery, which is coaxially packed in casing；The engagement of second level flexbile gear periphery is defeated
Casing rear end is coaxially extended in the input terminal of firm gear out, the rear end for exporting firm gear, and the output firm gear rear end outside casing is coaxially made
There is an input bevel gear；The orthogonal engagement of input bevel gear is equipped with an output bevel gear wheel.
2. the air door executer executing agency according to claim 1 based on harmonic gear transmission, it is characterised in that: described
Casing includes base, drive end bearing bracket, rear end cap and upper end cover, and base upper-end front is formed with a horizontal axis body structure, in the horizontal axis
Body structure transverse ends are fixed with drive end bearing bracket and rear end cap respectively, and cabinet upper rear is formed with a vertical shaft body structure, should
Vertical shaft body structure upper end is equipped with a upper end cover.
3. the air door executer executing agency according to claim 1 based on harmonic gear transmission, it is characterised in that: described
Wave producer includes first order cam, second level cam and flexible bearing, and axially spaced-apart is equipped with the first order on input shaft
Cam and second level cam are mounted on flexible bearing in the periphery of first order cam and second level cam.
4. the air door executer executing agency according to claim 1 based on harmonic gear transmission, it is characterised in that: described
Output bevel gear wheel is coaxially made into integration with output bevel gear wheel support shaft, and output bevel gear wheel support shaft is vertically installed at base rear portion
In vertical shaft body structure, between output bevel gear wheel support shaft and base above and below interval installation there are two bearing, two bearings it
Between cushion block is installed, a upper end cover is installed on the base of the output bevel gear wheel periphery above bearing.
5. the air door executer executing agency according to claim 1 based on harmonic gear transmission, it is characterised in that: described
The front center of output firm gear is formed with axis hole, supports the rear end of output shaft in axis hole by coaxial bearing；Export firm gear and input
The setting of axis coaxial spaced, coaxial sleeve is equipped with a bearing, the bearing and output between the rear end of input shaft and the axis hole for exporting firm gear
One limited block is installed between the axial end face of firm gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821478430.4U CN208886106U (en) | 2018-09-11 | 2018-09-11 | Air door executer executing agency based on harmonic gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821478430.4U CN208886106U (en) | 2018-09-11 | 2018-09-11 | Air door executer executing agency based on harmonic gear transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208886106U true CN208886106U (en) | 2019-05-21 |
Family
ID=66511855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821478430.4U Expired - Fee Related CN208886106U (en) | 2018-09-11 | 2018-09-11 | Air door executer executing agency based on harmonic gear transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208886106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296818A (en) * | 2018-09-11 | 2019-02-01 | 天津科技大学 | Air door executer based on harmonic gear transmission |
-
2018
- 2018-09-11 CN CN201821478430.4U patent/CN208886106U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296818A (en) * | 2018-09-11 | 2019-02-01 | 天津科技大学 | Air door executer based on harmonic gear transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20210911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |